Seiko Cal. 3820 - 152

The 3820-152 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3820 caliber with 26j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-41971231ed4f]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1983

Related Models

• Seiko 6285-375
• Seiko 5689-575
• Seiko 6160-347
• Seiko 6635-415
• Seiko 6266-353
• Seiko 7021-954
• Seiko 7164-652
• Seiko 4433-145
• Seiko 7156-398
• Seiko 5657-703
• Seiko 4465-337
• Seiko 5625-910